2569040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1919

約数の個数: 40

約数和(自身を含む): 6327720

約数和(自身を除く): 3758680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1889, 3778, 7556, 9445, 15112, 18890, 30224, 32113, 37780, 64226, 75560, 128452, 151120, 160565, 256904, 321130, 513808, 642260, 1284520, 2569040]

約数ペア:

[(1, 2569040), (2, 1284520), (4, 642260), (5, 513808), (8, 321130), (10, 256904), (16, 160565), (17, 151120), (20, 128452), (34, 75560), (40, 64226), (68, 37780), (80, 32113), (85, 30224), (136, 18890), (170, 15112), (272, 9445), (340, 7556), (680, 3778), (1360, 1889)]